2057545479 has 64 divisors (see below), whose sum is σ = 3233820672. Its totient is φ = 1149888000.

The previous prime is 2057545463. The next prime is 2057545481. The reversal of 2057545479 is 9745457502.

It is not a de Polignac number, because 2057545479 - 2⁴ = 2057545463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057545459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9063964 + ... + 9064190.

It is an arithmetic number, because the mean of its divisors is an integer number (50528448).

Almost surely, 2^2057545479 is an apocalyptic number.

2057545479 is a deficient number, since it is larger than the sum of its proper divisors (1176275193).

2057545479 is a wasteful number, since it uses less digits than its factorization.

2057545479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The square root of 2057545479 is about 45360.1750327311. The cubic root of 2057545479 is about 1271.8907664247.

The spelling of 2057545479 in words is "two billion, fifty-seven million, five hundred forty-five thousand, four hundred seventy-nine".